期刊
CELL CALCIUM
卷 65, 期 -, 页码 22-30出版社
CHURCHILL LIVINGSTONE
DOI: 10.1016/j.ceca.2017.03.002
关键词
Human oocyte; Egg activation; PLCZ1 RNA; Ca2+ oscillations; Preimplantation development
类别
Phospholipase C-zeta (PLCZ1), a strong candidate of egg-activating sperm factor, can induce Ca2+ oscillations and cause egg activation. For the application of PLCZ1 to clinical use, we examined the pattern of Ca2+ responses and developmental rate by comparing PLCZ1 RNA injection methods with the other current methods, such as cytosolic aspiration, electrical stimulation and ionomycin treatment in human oocytes. We found that the pattern of Ca2+ oscillations after PLCZ1 RNA injection exhibited similar characteristics to that after ICSI treatment. We also determined the optimal concentration of human PLCZ1 RNA to activate the human oocytes. Our findings suggest that human PLCZ1 RNA is a better therapeutic agent to rescue human oocytes from failed activation, leading to normal and efficient development. (C) 2017 Elsevier Ltd. All rights reserved.
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